Finding the Third Proportional to 8,943.75 and 13,657.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,943.75 : 13,657.50 = 13,657.50 : x
2. Step 2: Convert to fraction form
   8,943.75/13,657.50 = 13,657.50/x
3. Step 3: Cross multiply
   8,943.75x = 13,657.50 × 13,657.50
4. Step 4: Simplify right side
   8,943.75x = 186,527,306.25
5. Step 5: Solve for x
   x = 186,527,306.25/8,943.75
6. Step 6: Final answer
   x = 20,855.60